$ git clone -n https://gitee.com/fundawang/oceanbase.git /var/lib/mock/dist-an23-build-329523-69372/root/chroot_tmpdir/scmroot/oceanbase
Cloning into '/var/lib/mock/dist-an23-build-329523-69372/root/chroot_tmpdir/scmroot/oceanbase'...
$ git fetch origin 81277049cfa79fa5809b49ab1b3e5ca6f6af58e6:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/oceanbase
 * [new ref]         81277049cfa79fa5809b49ab1b3e5ca6f6af58e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8127704 build with gcc